Avoid calling anything related to signals on Windows

runtime/bin/vmservice_impl.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "bin/vmservice_impl.h"
 
 #include "include/dart_api.h"
 
 #include "bin/builtin.h"
 #include "bin/dartutils.h"
@@ skipping 124 matching lines @@
   if (server_port < 0) {
     // Adjust server_port to port 0 which will result in the first available
     // port when the HTTP server is started.
     server_port = 0;
   }
   // Set initial state.
   DartUtils::SetIntegerField(library, "_port", server_port);
   Dart_SetField(library,
                 DartUtils::NewString("_autoStart"),
                 Dart_NewBoolean(auto_start));
+  // We cannot register for signals on windows.

[Anders Johnsen, 2014/06/18 07:24:11]

Remove this.

+#if defined(TARGET_OS_WINDOWS)
+  const bool is_windows = true;
+#else
+  const bool is_windows = false;
+#endif
+  Dart_SetField(library,
+                DartUtils::NewString("_isWindows"),
+                Dart_NewBoolean(is_windows));
+
   // Invoke main.
   result = Dart_Invoke(library, DartUtils::NewString("main"), 0, NULL);
   SHUTDOWN_ON_ERROR(result);
   // Load resources.
   result = LoadResources(library);
   SHUTDOWN_ON_ERROR(result);
 
   Dart_ExitScope();
   Dart_ExitIsolate();
 
@@ skipping 134 matching lines @@
     printf("Service exited with an error:\n%s\n", Dart_GetError(result));
   }
   Dart_ExitScope();
   Dart_ExitIsolate();
 }
 
 
 
 }  // namespace bin
 }  // namespace dart